Song: "Free"
Artist: Chicago
Peak position on the Cashbox Singles chart: #19
Number of weeks on the Cashbox Singles chart: 8
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| February 20, 1971 | 71 | Free | Chicago | Columbia 45331 |
| February 27, 1971 | 47 | Free | Chicago | Columbia 45331 |
| March 6, 1971 | 37 | Free | Chicago | Columbia 45331 |
| March 13, 1971 | 31 | Free | Chicago | Columbia 45331 |
| March 20, 1971 | 24 | Free | Chicago | Columbia 45331 |
| March 27, 1971 | 20 | Free | Chicago | Columbia 45331 |
| April 3, 1971 | 19 | Free | Chicago | Columbia 45331 |
| April 10, 1971 | 33 | Free | Chicago | Columbia 45331 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.